public class example18 {
    // 李艺
    public static void main(String[] args){
        int[] arr1 = new int[3];
        System.out.println("arr1[0] = "+ arr1[0]);
        System.out.println("arr1[1] = "+ arr1[1]);
        System.out.println("arr1[2] = "+ arr1[2]);
        System.out.println("arr1的长度是："+arr1.length);
    }
}
